I dropped my client onto github today! It's 1000sloc of /Tk for the core, plus a bunch of plugins. I've been using it as my primary client for the past couple of years, so it's well-used.

It's not for everyone, but I'd say it's one of the most hackable clients out there.

github.com/dlowe-net/irken

Amateur music hour 

Cantos.social

Cantos aspires to be an experimental community of crafts, arts, and games. We believe in nurturing a small intimate group connected to and inspired by global society.